Differences

This shows you the differences between two versions of the page.

--- processing:thermometer_example [2013/08/04 02:51] – [Updating the data] mithat
+++ processing:thermometer_example [2013/08/04 03:55] (current) – [How to make a thermometer] mithat
@@ Line 1: / Line 1: @@
-====== Thermometer example ======
+====== How to make a thermometer ======
 {{:processing:processing_thermometer.png}}
@@ Line 12: / Line 12: @@
 You won't find much description below. I may add some later, but my intent here is just to do a structured code dump.
-<WRAP center round important 60%>
+<WRAP center round info 60%>
-Because applet support has been removed in Processing 2 and Processing.js doesn't allow downloading arbitrary files, linking to live examples that work in the browser from this page is not possible.
+Because applet support has been removed in [[http://processing.org/|Processing 2]] and [[http://processingjs.org/|Processing.js]] doesn't allow downloading arbitrary files, linking to live examples that work in the browser from this page is not possible.
 </WRAP>
 ===== Getting files from the Internet =====
+{{:processing:processing_get_internet_page.png?nolink&480|}}
 The built-in function ''loadStrings'' will load local files or URLs.
@@ Line 93: / Line 95: @@
 ===== Scraping XML for data =====
+{{:processing:processing_get_xml_page.png?nolink&480|}}
 Grabbing selected data from an XML source is easy with Processing's ''XML'' class. In this example, we load an RSS feed (which is XML) and extract some data from it.
@@ Line 159: / Line 162: @@
 ===== A digital thermometer =====
+{{:processing:processing_thermometer_digital.png?nolink|}}
 Fonts are graphics in Processing. To get the following to work, you'll need to create the *.vlw file using the //Tools > Create Font...// menu item.
@@ Line 297: / Line 302: @@
 ===== Adding a graphic meter =====
+{{:processing:processing_thermometer_meter.png?nolink|}}
 Representing quantities graphically. Note also the use of Javadoc-style documentation comments for the functions.
@@ Line 339: / Line 346: @@
     background(#296783);
-    drawDigitalTemp(condition.getInt(ATTRIBUTE_CONDITION_TEMPERATURE),
-        units.getString(ATTRIBUTE_UNIT_TEMPERATURE), width/2, height/2);
+    int temperature = condition.getInt(ATTRIBUTE_CONDITION_TEMPERATURE);
-    drawMeter(70, -40, 120, 10, height-2*BORDER, width-10-BORDER, BORDER);
+    drawDigitalTemp(temperature, units.getString(ATTRIBUTE_UNIT_TEMPERATURE),
+                    width/2, height/2);
+    drawMeter(temperature, -40, 120, 10, height-2*BORDER, width-10-BORDER, BORDER);
   }
   catch (Exception e) {
@@ Line 358: / Line 367: @@
 /**
- * Render the temperature numerically at a given canvas location.
+ * Render a temperature numerically at a given canvas location.
  *
  * @param temperature the temperature to be drawn (int)
@@ Line 378: / Line 387: @@
 /**
- * Render the temperature graphically.
+ * Render a value on a vertical meter.
  *
  * @param val      the value to be drawn (float)
@@ Line 472: / Line 481: @@
     background(#296783);
-    drawDigitalTemp(condition.getInt(ATTRIBUTE_CONDITION_TEMPERATURE),
+    int temperature = condition.getInt(ATTRIBUTE_CONDITION_TEMPERATURE);
-                    units.getString(ATTRIBUTE_UNIT_TEMPERATURE), width/2, height/2);
+    drawDigitalTemp(temperature, units.getString(ATTRIBUTE_UNIT_TEMPERATURE),
-    drawMeter(70, -40, 120, 10, height-2*BORDER, width-10-BORDER, BORDER);
+                    width/2, height/2);
+    drawMeter(temperature, -40, 120, 10, height-2*BORDER, width-10-BORDER, BORDER);
     // uncomment println below for debugging.
@@ Line 513: / Line 523: @@
 /**
- * Render the temperature graphically.
+ * Render a value on a vertical meter.
  *
  * @param val      the value to be drawn (float)